# banned_users = ['andrew', 'carolina', 'david']
# user = 'marie'
# if user not in banned_users:
#     print(f"{user.title()}, you can post a response if you wish.")

age =12
if age < 4:
    price = 0
elif age < 18:
    price =25
elif age < 65:
    price = 40
else:
    price = 20
print(f"Your admission cost is ${price}.")